SSTP may refer to:
Technology Screened shielded twisted pair, a type of wiring Secure Socket Tunneling Protocol, a form of virtual private network (VPN) tunnel Simple Symmetric Transport Protocol, a protocol for delivering messages between clients and servers Simple Studio Profile (SStP), of the MPEG-4 Part 2 video compression format
Other uses Shanghai Scientific and Technical Publishers Socialist Workers' Party of Finland () Finnish-Socialist Workers' Party () Streamlined Sales Tax Project